Big Tech faces a historic legal showdown. A major trial over social media addiction has begun and could reshape the technology industry. Meta CEO Mark Zuckerberg testified before a jury for the first time over claims that social media harms young people. His testimony came more than four years after leaked internal documents suggested the company knew its platforms could…

Alphabet Drop Sends Stocks Lower Wall Street tumbled Thursday after Alphabet, Google’s parent company, fell more than 4%, pulling major indexes down. The S&P 500 dropped 1.2%, the Dow lost 606 points, and the Nasdaq fell 1.5%, marking the sixth decline in seven sessions since the S&P hit a record high. Alphabet’s decline came despite reporting stronger-than-expected profits. Investors were…